#define _CRT_SECURE_NO_WARNINGS 1
#include"String.h"
#include <string.h>
#include <iostream>
using namespace std;



int main()
{
	try
	{
		//yxj::test_string1();
		//yxj::test_string2();
		yxj::test_string3();
	}
	catch (const exception& e)
	{
		cout << e.what() << endl;
	}



	return 0;
}